
The following table shows the right usage of auxiliary verbs.
| Pronoun / subject | Auxiliary verbs |
|---|---|
| I | am, was, have, had, do, did |
| he, she, it, singular nouns | is, was, has, had, does, did |
| you, we, they, plural nouns | are, were, have, had, do, did |
The negative auxiliary verbs can be used with the respective pronouns where their positive equivalents are used.
For more details, refer to the course on subject verb agreement.